Yesterday my DM42, running FW version 3.10 hung up a couple of times within about 15 minutes, after running flawlessly for many weeks. I then went online and upgraded to version 3.11 and the problem has not re-occurred. I also found out about the issue with the newer version of the Intel floating po...

Here is another way of doing constants. They are all in an nx2 matrix called Const. As the DM42 cannot import a matrix directly, the program generates the constants matrix. I usually edit it on a PC for ease of copying and pasting long numbers. There is a short wrapper routine at the end to index th...

You can also use the PC version of free42. It will export/import a program as .raw, and copy/paste from the display as .txt. The .txt will have line numbers that you can strip using an editor like geany.

Yes please. I will even appreciate an even bigger font, that uses the whole width of the screen to display a full length number. You are able to read the keyboard print though, aren't you? I can, but I would read and use bigger keys better. Being used to hp35s, when I first got the dm42, my first r...

Hmm. Maybe I am a bit spoilt. I am now in a dilemma. E=mc^2 was going to be boring, on grounds of being so famous that it is commonplace. An RPN program listing was not pretty enough for my liking, so I compromised, but I guess it is a bit of a mishmash now. Maybe <<m c 2 ^ * E - >> as pure RPL shou...

So here are a couple more. I have included an inversion to show how the impression is often quite different. But you can always do it easily yourself in Gimp. The Chinese characters are wu-wei, the Daoist concept of getting things done naturally, with out scheming or manipulating. https://www.dropbo...